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Yoru no Kage Ninjato - 夜の影
Note: Engraving placement and orientation may vary by blade model (hamon, geometry, and flat area).
Why choose us
Ships within 48/72h
Forged Blade
Collector Quality
Trusted Globally
Inspired by Japan

Yoru no Kage Ninjato - 夜の影
Specifications
Handcrafted Yoru no Kage Ninjato (夜の影 — "Night's Shadow") in manganese steel with a twilight gradient blade — blue to violet to deep purple along its straight edge. Full tang, sharpened. Brass mandala tsuba with geometric openwork in gold and silver, solid wood tsuka wrapped in synthetic rayskin and navy-gold cotton ito, lacquered black saya with silver circular ornaments, navy-gold cotton sageo. Includes natural wood display stand. The blade shifts color from dusk to night — the only gradient-finished ninjato in our catalog.
Yoru no Kage Ninjato Specifications
| Blade Type | Ninjato (straight-blade ninja sword) |
| Blade Steel | Manganese Steel — Twilight Gradient Finish |
| Blade Geometry | Straight (no curvature) |
| Construction | Full Tang, Handcrafted, Sharpened |
| Overall Length | 105 cm / 41 in |
| Blade Length | 72 cm / 28 in |
| Blade Width | 3.2 cm / 1.2 in |
| Blade Thickness | 0.7 cm / 0.27 in |
| Handle Length | 30 cm / 11.8 in |
| Tsuba (Guard) | Brass — gold-silver mandala with geometric openwork |
| Ito | Navy-gold cotton |
| Rayskin (Same) | White synthetic |
| Saya (Scabbard) | Black lacquered wood — silver circular ornaments |
| Sageo | Navy-gold cotton |
| Includes | Ninjato + saya + natural wood display stand |
Twilight Gradient Blade — Blue to Violet to Purple
The straight blade carries a three-stage color gradient — electric blue near the habaki transitioning through violet at the midsection into deep purple-black at the kissaki. The color tells the story of twilight: the last blue sky, the violet threshold, and the arriving darkness at the blade's tip. Achieving smooth transitions across three hues on a straight blade requires precise heat treatment and finishing — any inconsistency in temperature or timing creates visible banding instead of seamless flow. The Yoru no Kage ninjato gradient is the blade's defining feature, and it works because the straight geometry gives the transition a clean, uninterrupted canvas that a curved katana would distort.
Gold-Silver Mandala Tsuba
The tsuba is brass with geometric openwork — radiating lines and angular cutouts creating a mandala-like pattern in gold and silver tones. The circular design with its precise internal geometry references kuji-kiri (九字切り), the nine symbolic hand cuts ninja performed during protective rituals. The gold catches light through the openwork gaps, and the silver sections provide the cool contrast. The Yoru no Kage ninjato tsuba is the most elaborate guard on any straight blade in our catalog — mandala geometry on a ninja sword.
Straight Blade — Ninjato Combat Geometry
The blade is straight — the ninjato's defining characteristic separating it from curved katana. Straight blades optimize thrusting over slashing, draw faster in tight spaces, and serve as multi-purpose tools for bypassing obstacles. The functional straight geometry uses manganese steel — the same high-carbon alloy found on our Kagehana Ninjato, Purple Blade Katana, and Yami Tanto. At 105 cm total with a 72 cm blade, this is full katana length in a straight configuration.
Navy-Gold Handle & Black Saya
Navy-gold cotton ito wraps the solid wood tsuka over synthetic rayskin — the striped ito pattern creates visual texture matching the blue-gold sageo cord. The saya is black lacquered wood with silver circular ornaments spaced along its length — metallic accents that catch light when the blade is sheathed. The Yoru no Kage uses a traditional wrapped handle (unlike the Kagehana's bare rosewood), making it feel closer to a conventional sword despite the straight blade geometry.
Yoru no Kage — Night's Shadow
Yoru no Kage (夜の影) means "night's shadow" — the shadow that belongs to the night itself, the darkness within darkness. Elite ninja (shinobi) operated during twilight and night, using the transition from light to dark as tactical advantage. The Yoru no Kage ninjato captures that exact moment on its blade: the blue of fading daylight yielding to the violet and purple of arriving night. The gradient is not decoration — it is a clock showing when the shadow warriors began their work.
Display & Collection
Ships with a natural wood stand. The Yoru no Kage pairs with the Kagehana Ninjato for a two-ninjato display — rosewood tradition versus twilight gradient, bare wood versus wrapped handle, two approaches to the straight blade. The gradient blade also pairs with the Enzan Tanto (blue-green-gold gradient) for a gradient showcase across blade types. The black saya with silver ornaments ensures the ninjato reads as refined, not crude.
Frequently Asked Questions
What is the blade color?
The blade carries a twilight gradient — electric blue near the guard transitioning through violet to deep purple-black at the tip. The finish is applied over forged manganese steel and is more durable than standard paint, but should be maintained carefully.
Is this a ninjato or a katana?
It is a ninjato — a straight-bladed ninja sword. Same overall dimensions as a katana (105 cm total, 72 cm blade), but with no curvature. The straight geometry optimizes thrusting over slashing.
Is this Yoru no Kage ninjato sharp?
Yes. The manganese steel blade is hand-sharpened and functional. Handle with care, store in the saya, and check local regulations before ordering.
What is the mandala tsuba?
The brass tsuba features a circular mandala design with geometric openwork in gold and silver tones. The pattern references kuji-kiri — the nine symbolic hand cuts used in ninja spiritual practices. It is the most elaborate guard on any straight blade in our catalog.
How does this compare to the Kagehana Ninjato?
The Kagehana is rosewood with carved dragon, no wrapping, no gradient — raw artisan craftsmanship. The Yoru no Kage is gradient blade with wrapped handle, mandala tsuba, ornate saya — twilight aesthetics. Both are manganese steel straight blades at full katana length. Different philosophies, same functional geometry.
Legal Disclaimer
By purchasing from Katana Corp, you acknowledge and agree that:
- You are at least 18 years of age (or the age of majority in your jurisdiction).
- You are solely responsible for verifying and complying with all local laws and import regulations before placing an order.
- Some countries prohibit the importation of swords entirely. Katana Corp is not responsible for orders delayed, seized, or refused by customs authorities.
- All katanas and related products are sold strictly as decorative and display items. They are not intended or certified for combat use.
- Depending on the jurisdiction, swords may legally be considered bladed weapons, subject to specific restrictions or prohibitions.
- Katana Corp disclaims all liability for any injury, damage, or legal consequences resulting from misuse, abuse, or unlawful use of its products.
For full details, please refer to our Terms of Service.
Care & Maintenance
To maintain your katana's appearance and performance over time, we recommend:
- Regularly wiping the blade with a soft cloth to remove fingerprints and moisture.
- Applying a light coat of choji oil to prevent rust (for carbon steel blades).
- Storing the sword in a dry place, preferably inside its saya.
- Avoiding direct contact with hard surfaces to preserve sharpness and finish.
For more care tips, check our full maintenance guide in the FAQ section.
Behind the Blade
Every katana we offer carries the essence of centuries-old craftsmanship.
More than just a weapon, the katana symbolizes discipline, honor, and mastery.
Our artisans draw inspiration from traditional forging methods to ensure each blade reflects the spirit of the samurai — strength, precision, and soul.
Owning one is not just about aesthetics — it’s about carrying a piece of that legacy.
User Experience
This katana is designed to offer a perfect balance between blade and handle.
Its ergonomic tsuka (handle) allows a secure two-handed grip, while the weight distribution ensures smooth, fluid movement.
Whether for training, display or cutting practice, handling feels natural and precise.
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Excellent
Good sword, small issue on arrival
Saya mouth was slightly loose when I got it, fitting tape sorted it. Balance is great though. People at my dojo always ask about it.
Way better than I expected
Hamon is clean, handle wrap tight, saya closes solid. Came in a wooden box. No complaints at all for the price.
Got it as a gift, he was speechless
Bought for my boyfriend who does iaido. He said the fit and finish were legit. I knew nothing about swords, site made it easy to pick.
Nice blade but took 2 weeks to arrive
Damascus looks great. Shipping to Portland took forever and tracking was dead for a week. Quality is there, logistics need work.
Third order, still no complaints
Ordered three times over two years. Always well packed, matches the photos. Support replied same day. Will keep coming back.
7×
Reasons to choose us
Why Choose Katana Corp
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The Art of Traditional Forging
Each katana we craft is born from centuries of samurai tradition.
Our master smiths shape every blade by hand, folding the steel to achieve unmatched strength, flexibility, and beauty.
This time-honored process is not just about creating a weapon? it’s about preserving a legacy of discipline, honor, and artistry.

Materials Chosen Without Compromise
We select only the highest-grade steels and authentic fittings to ensure every katana is both a masterpiece and a reliable companion.
From the flawless hamon line to the perfectly balanced tang, each detail is carefully inspected to meet the highest standards of performance and aesthetics.

More Than a Sword, A Lifelong Legacy
Owning a handmade katana is an experience that goes beyond the blade itself. It’s holding history, tradition, and craftsmanship in your hands.
Whether displayed as a work of art or wielded with precision, your katana will stand as a symbol of timeless skill and dedication for generations to come.
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Key Destinations
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Canada: 5–7 days
Australia: 6–9 days
Denmark: 4–6 days
Netherlands: 3–5 days
Sweden: 4–6 days
Switzerland: 3–5 days
Finland: 5–7 days
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Slovenia: 5–7 days
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FAQ’s
Visit our FAQs page to find answers to common questions.